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Trust in Doctors, Health Care System Distrust, and Cancer Screening Among Koreans
1Department of Nursing, Chosun University, Gwangju 61452, Republic of Korea.
Healthcare (Basel, Switzerland)
|May 13, 2026
Summary
Trust in healthcare providers and screening tests influences cancer screening participation in Korea. While trust is generally high, its complex relationship with screening use highlights the need for further investigation into healthcare access and policy.
Area of Science:
- Public Health
- Health Services Research
- Health Behavior
Background:
- National Cancer Screening Program participation in Korea remains suboptimal.
- Cancer screening uptake is influenced by trust in screening tests, healthcare providers, and organizations.
- Individual knowledge and attitudes alone do not fully explain screening behavior.
Purpose of the Study:
- To investigate the role of multilevel trust as a determinant of cancer screening participation among Korean adults.
- To examine trust in specific cancer screening tests, doctors, and health care organizations.
- To identify factors associated with cancer screening utilization in the Korean population.
Main Methods:
- Cross-sectional study with 369 Korean adults aged 40+.
- Convenience sampling from community centers.
- Data collected via questionnaires on socio-demographics and multilevel trust; analyzed using descriptive, bivariate, and multivariate logistic regression.
Main Results:
- Koreans reported high trust in doctors (M=7.47) and cancer screening tests (Colonoscopy M=7.71, FOBT M=7.14).
- Multivariate analysis showed complex, sometimes paradoxical associations between trust/distrust and utilization of Pap smear, gastroscopy, upper GI series, and colonoscopy.
- Having a usual source of care consistently facilitated cancer screening.
Conclusions:
- Trust plays a complex role in cancer screening utilization, interacting with other factors.
- Further research is needed to understand the interplay of trust, healthcare access, and national policy on screening behavior in Korea.
- Findings suggest potential avenues for improving cancer screening participation rates through targeted interventions addressing trust and access.
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